Torrent description

This news comes from Dutch researchers who analyzed six studies. Four of these studies examined the effect of low-dose radiation in women who were identified to have the genetic mutation that increases breast cancer risk. The remaining two studies examined the effect of radiation exposure in women who had a family history of breast cancer.

Researchers found that women who were exposed to radiation before the age of 20 had an increased risk of breast cancer of 2.5 times. The researchers also find the same increased risk for breast cancer in women exposed five or more times to radiation. Factors that played a role in the research, included age at onset of menstruation, age, and whether the women breastfed their babies.